Q: Is 2,421,344 a Prime Number?
A: No, 2,421,344 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2421344 can be evenly divided by 1 2 4 8 16 17 32 34 68 136 272 544 4,451 8,902 17,804 35,608 71,216 75,667 142,432 151,334 302,668 605,336 1,210,672 and 2,421,344, with no remainder.
Since 2,421,344 cannot be divided by just 1 and 2,421,344, it is not a prime number.